分類 / Names
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Eupercaria/misc (Various families in series Eupercaria) >
Lethrinidae (Emperors or scavengers) > Lethrininae
Etymology: Lethrinus: Greek, lethrinia, a fish pertaining to genus Pagellus; mitchelli: Named for David Mitchell, a seasoned conservationist who dedicated his career to the spectacular nature and local indigenous communities of Milne Bay..
Environment: milieu / climate zone / depth range / distribution range
生態学
海 関連する礁; 深さの範囲 20 - 25 m (Ref. 124781). Tropical
Western Pacific: Papua New Guinea.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 20.0 cm SL オス/雌雄の選別がない; (Ref. 124781)
簡単な記述
形態学 | 形態計測学
背面の脊椎 (合計): 10; 背鰭 (合計): 9; 肛門の骨 3; 臀鰭: 8. This species is distinguished by the following characters: head length 2.7 in SL, greater than body depth, 3.0-3.1 in SL; cheek height 3.2-3.6 in HL; snout length without lip 1.3-1.4 in cheek height; snout profile is nearly straight without prominent hump in front of eyes, angle of snout relative to upper jaw about 55°; interorbital is nearly flat or convex; fourth dorsal-fin spine is the longest, slightly longer than third; lateral-line scales 47; transverse scale rows below lateral line 15; transverse scale rows above lateral line 4.5; wide scaleless area on the upper posterior margin of opercle; lateral teeth in jaws conical. Colouration: in life brown dorsally, whitish ventrally, with a broad, brown, posteriorly tapering band along midlateral body, partially split anteriorly by a relatively broad, ascending diagonal white band; without dark streaks radiating from eye; pelvic fins translucent with diffuse grey transverse bands (Ref. 124781).
Found in an area consisting of a gully with volcanic black sand and rubble bottom, from the shoreline shallows to about 30 m depth on a relatively steep slope. About 10 individuals (size from about 10.0-20.0 cm SL) were observed around a large submerged tree trunk, lying horizontally across the gully in 20-25 m depth. When pursued with a spear, the fish retreated down the slope. Thus, it is possible that the species is normally found in deeper water, accounting for the lack of previous observations by us despite many hours of diving near the type locality over the past two decades, routinely to depths of 40-50 m (Ref. 124781).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Allen, G.R., B.C. Victor and M.V. Erdmann, 2021. Lethrinus mitchelli a new species of emperor fish (Teleostei: Lethrinidae) from Milne Bay Province, Papua New Guinea. J. Ocean Sci. Found. 38:66-77. (Ref. 124781)
Human uses
より多くの情報
共通名の類義語代謝捕食動物生態毒性繁殖成熟放精卵の集合体生産力卵卵の開発
Age/Size成長体長-重さLength-length体長組成形態計測学形態学幼生幼生の動力補充豊度BRUVS
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ（食中毒の名前）速度泳ぐ 型式カマOtoliths脳視覚
用具
特記事項
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00706 - 0.03245), b=2.98 (2.81 - 3.15), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (14 of 100).
